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CVE-2024-35190

Asterisk' res_pjsip_endpoint_identifier_ip: wrongly matches ALL unauthorized SIP requests

MEDIUM
5.3
CVSS Score
Published: May 17, 2024 at 04:55 PM UTC
Updated: June 17, 2026 at 07:34 AM UTC
2 products affected across 2 vendorsAsteriskAsterisk

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

Asterisk is an open source private branch exchange and telephony toolkit. After upgrade to 18.23.0, ALL unauthorized SIP requests are identified as PJSIP Endpoint of local asterisk server. This vulnerability is fixed in 18.23.1, 20.8.1, and 21.3.1.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (4)

x_refsource_MISCPatch
Source: [email protected]
https://github.com/asterisk/asterisk/commit/85241bd22936cc15760fd1f65d16c98be7aeaf6d
x_refsource_MISCIssue TrackingPatch
Source: [email protected]
https://github.com/asterisk/asterisk/pull/600
x_refsource_MISCIssue TrackingPatch
Source: [email protected]
https://github.com/asterisk/asterisk/pull/602
x_refsource_CONFIRMExploitVendor Advisory
Source: [email protected]
https://github.com/asterisk/asterisk/security/advisories/GHSA-qqxj-v78h-hrf9

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-303CWE-480CWE-670

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